Home / 252,742,904.10-379,114,356.15-206,826,401.70

Finding the Fourth Proportional to 252,742,904.10, 379,114,356.15 and 206,826,401.70

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Solution

The fourth proportional to 252,742,904.10, 379,114,356.15 and 206,826,401.70 is: 310,239,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,742,904.10 : 379,114,356.15 = 206,826,401.70 : x
  2. Step 2: Convert to fraction form
    252,742,904.10/379,114,356.15 = 206,826,401.70/x
  3. Step 3: Cross multiply
    252,742,904.10x = 379,114,356.15 × 206,826,401.70
  4. Step 4: Simplify right side
    252,742,904.10x = 78,410,858,115,316,752
  5. Step 5: Solve for x
    x = 78,410,858,115,316,752/252,742,904.10
  6. Step 6: Final answer
    x = 310,239,602.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.